package com.mj.express.zxing;

import java.io.IOException;
import java.util.Vector;

import android.app.Activity;
import android.content.Intent;
import android.content.res.AssetFileDescriptor;
import android.graphics.Bitmap;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnCompletionListener;
import android.os.Bundle;
import android.os.Handler;
import android.os.Vibrator;
import android.view.SurfaceHolder;
import android.view.SurfaceHolder.Callback;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.SurfaceView;
import android.view.Window;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.Toast;

import com.SYY.cbsdk.ui.AppControl;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.Result;
import com.mj.express.R;
import com.mj.express.activity.MainActivity;
import com.mj.express.zxing.camera.CameraManager;
import com.mj.express.zxing.decoding.CaptureActivityHandler;
import com.mj.express.zxing.decoding.InactivityTimer;
import com.mj.express.zxing.view.ViewfinderView;
/**
 * 条形码扫描
 * @author zhaominglei
 * @date 2014-12-4
 * 
 */
public class CaptureActivity extends Activity implements Callback,OnClickListener {
	@SuppressWarnings("unused")
	private static final String TAG = CaptureActivity.class.getSimpleName();
	private LinearLayout miniAdLinearLayout; //迷你广告
    private CaptureActivityHandler handler;
    private ViewfinderView viewfinderView;
    private boolean hasSurface;
    private Vector<BarcodeFormat> decodeFormats;
    private String characterSet;
    private InactivityTimer inactivityTimer;
    private MediaPlayer mediaPlayer;
    private boolean playBeep;
    private static final float BEEP_VOLUME = 0.10f;
    private boolean vibrate;
    private ImageView scanBackView;
    private Intent intent;
    private String selectedCompanytype; //已选的快递公司
	private AppControl appControl;
	
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        requestWindowFeature(Window.FEATURE_NO_TITLE);
        
        setContentView(R.layout.activity_capture);
        CameraManager.init(getApplication());
        initControl();
        hasSurface = false;
        inactivityTimer = new InactivityTimer(this);
    }

    private void initControl() {
    	miniAdLinearLayout = (LinearLayout)findViewById(R.id.scan_miniAdLinearLayout);
        viewfinderView = (ViewfinderView) findViewById(R.id.viewfinder_view);
        scanBackView = (ImageView)findViewById(R.id.scan_back);
        
        scanBackView.setOnClickListener(this);
        selectedCompanytype = getIntent().getStringExtra("selectedCompanytype");
        
        appControl = AppControl.getInstance();
		appControl.init(CaptureActivity.this, MainActivity.MUMAYI_APPID, MainActivity.MUMAYI_APPCHANNEL);
		appControl.loadPopAd(CaptureActivity.this);
		appControl.showPopAd(CaptureActivity.this, 60 * 1000);
		appControl.showInter(CaptureActivity.this, miniAdLinearLayout);
    }

    @Override
    protected void onResume() {
        super.onResume();
        SurfaceView surfaceView = (SurfaceView) findViewById(R.id.preview_view);
        SurfaceHolder surfaceHolder = surfaceView.getHolder();
        if (hasSurface) {
            initCamera(surfaceHolder);
        } else {
            surfaceHolder.addCallback(this);
            surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
        }
        decodeFormats = null;
        characterSet = null;

        playBeep = true;
        AudioManager audioService = (AudioManager) getSystemService(AUDIO_SERVICE);
        if (audioService.getRingerMode() != AudioManager.RINGER_MODE_NORMAL) {
            playBeep = false;
        }
        initBeepSound();
        vibrate = true;
    }

    @Override
    protected void onPause() {
        super.onPause();
        if (handler != null) {
            handler.quitSynchronously();
            handler = null;
        }
        CameraManager.get().closeDriver();
    }

    @Override
    public void onDestroy() {
        inactivityTimer.shutdown();
        super.onDestroy();
    }

    /**
     * @param result
     * @param barcode
     */
    public void handleDecode(Result result, Bitmap barcode) {
        inactivityTimer.onActivity();
        playBeepSoundAndVibrate();

        String resultString = result.getText();
		if (resultString.equals("")) {
			Toast.makeText(CaptureActivity.this, R.string.scan_error, Toast.LENGTH_SHORT).show();
		}else {
			intent = new Intent(CaptureActivity.this, MainActivity.class);
			intent.putExtra("referer", "CaptureActivity");
			intent.putExtra("selectedCompanytype", selectedCompanytype);
			Bundle bundle = new Bundle();
			bundle.putString("result", resultString);
			bundle.putString("format", result.getBarcodeFormat().toString());
			intent.putExtras(bundle);
			
			startActivity(intent);
		}
		CaptureActivity.this.finish();
    }

    private void initCamera(SurfaceHolder surfaceHolder) {
        try {
            CameraManager.get().openDriver(surfaceHolder);
        } catch (IOException ioe) {
            return;
        } catch (RuntimeException e) {
            return;
        }
        if (handler == null) {
            handler = new CaptureActivityHandler(this, decodeFormats,
                    characterSet);
        }
    }

    @Override
    public void surfaceChanged(SurfaceHolder holder, int format, int width,
            int height) {

    }

    @Override
    public void surfaceCreated(SurfaceHolder holder) {
        if (!hasSurface) {
            hasSurface = true;
            initCamera(holder);
        }
    }

    @Override
    public void surfaceDestroyed(SurfaceHolder holder) {
        hasSurface = false;
    }

    public ViewfinderView getViewfinderView() {
        return viewfinderView;
    }

    public Handler getHandler() {
        return handler;
    }

    public void drawViewfinder() {
        viewfinderView.drawViewfinder();
    }

    /**
     * 扫描正确后的震动声音,如果感觉apk大了,可以删除
     */
    private void initBeepSound() {
        if (playBeep && mediaPlayer == null) {
            // The volume on STREAM_SYSTEM is not adjustable, and users found it
            // too loud,
            // so we now play on the music stream.
            setVolumeControlStream(AudioManager.STREAM_MUSIC);
            mediaPlayer = new MediaPlayer();
            mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
            mediaPlayer.setOnCompletionListener(beepListener);

            AssetFileDescriptor file = getResources().openRawResourceFd(
                    R.raw.beep);
            try {
                mediaPlayer.setDataSource(file.getFileDescriptor(),
                        file.getStartOffset(), file.getLength());
                file.close();
                mediaPlayer.setVolume(BEEP_VOLUME, BEEP_VOLUME);
                mediaPlayer.prepare();
            } catch (IOException e) {
                mediaPlayer = null;
            }
        }
    }

    private static final long VIBRATE_DURATION = 200L;

    private void playBeepSoundAndVibrate() {
        if (playBeep && mediaPlayer != null) {
            mediaPlayer.start();
        }
        if (vibrate) {
            Vibrator vibrator = (Vibrator) getSystemService(VIBRATOR_SERVICE);
            vibrator.vibrate(VIBRATE_DURATION);
        }
    }

    /**
     * When the beep has finished playing, rewind to queue up another one.
     */
    private final OnCompletionListener beepListener = new OnCompletionListener() {
        public void onCompletion(MediaPlayer mediaPlayer) {
            mediaPlayer.seekTo(0);
        }
    };

    @Override
	public void onClick(View view) {
    	switch (view.getId()) {
		case R.id.scan_back:
			intent = new Intent(CaptureActivity.this, MainActivity.class);
			intent.putExtra("referer", "CaptureActivity");
			intent.putExtra("selectedCompanytype", selectedCompanytype);
			startActivity(intent);
			CaptureActivity.this.finish();
			break;

		default:
			break;
		}
	}
    
    @Override
	public void onBackPressed() {
    	intent = new Intent(CaptureActivity.this, MainActivity.class);
		intent.putExtra("referer", "CaptureActivity");
		intent.putExtra("selectedCompanytype", selectedCompanytype);
		startActivity(intent);
		CaptureActivity.this.finish();
	}
}
